Vitalik: Ethereum Needs Contract Size Limits Due to DoS Risk Considerations

Vitalik: Ethereum Needs Contract Size Limits Due to DoS Risk Considerations

2025-12-23 20:55View Original

ChainThink report, December 23: Ethereum founder Vitalik responded to community inquiries regarding the rationale behind Ethereum's current contract size cap, citing DoS risk concerns. Once Ethereum's state structure is upgraded to a unified Merkle tree (EIP-7864), contract size limitations may be eliminated. However, challenges remain in addressing gas cost and mechanism design for deploying extremely large contracts. Currently, with gas costs calculated per byte, the practical contract size ceiling is approximately 82KB.

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Disclaimer: Contains third-party opinions, does not constitute financial advice

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